Airborne Transport (IMAGE) Oregon State University Caption Airborne particles carry PAHs much farther when climate models include their tar-like nature (top) rather than without (bottom). Credit (Graphic courtesy of Oregon State University) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.